<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use Exception;
use PDOException;
use think\Db;
use think\exception\DbException;
use think\exception\ValidateException;

/**
 * 优惠券
 *
 * @icon fa fa-circle-o
 */
class Coupon extends Backend
{

    /**
     * Coupon模型对象
     * @var \app\admin\model\Coupon
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Coupon;
        $this->view->assign("discountTypeList", $this->model->getDiscountTypeList());
        $this->view->assign("goodsTypeList", $this->model->getGoodsTypeList());
        $this->view->assign("sentTypeList", $this->model->getSentTypeList());
        $this->view->assign("useTypeList", $this->model->getUseTypeList());
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */



    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }

        if(empty($params['target']) || $params['target'] <= 0){
            $this->error('请填写正确的门槛价格');
        }
        if(empty($params['sent_num']) || $params['sent_num'] < 1 || $params['sent_num'] > 5000){
            $this->error('请填写正确的发放数量');
        }
        if($params['discount_type'] == 1){
            if(empty($params['price']) || $params['price'] <= 0){
                $this->error('请填写正确的优惠价格');
            }
            if($params['target'] <= $params['price']){
                $this->error('门槛金额不可小于优惠金额');
            }
        }else{
            if(empty($params['discount']) || $params['discount'] <= 0){
                $this->error('请填写正确的优惠折扣');
            }
        }
        if($params['goods_type'] == 'part'){
            if(empty($params['goods_ids'])){
                $this->error('请选择商品');
            }
        }
        if($params['sent_type'] == 'send'){
            if(empty($params['sent_user_ids'])){
                $this->error('请选择用户');
            }
            $sent_user_ids = explode(',',$params['sent_user_ids']);
            $params['draw_num'] = count($sent_user_ids);
        }
        if(!$params['use_type']){
            $this->error('请选择使用位置');
        }

        $result = false;
        Db::startTrans();
        try {
            $time = explode(' - ',$params['time']);
            $params['starttime'] = strtotime($time[0]);
            $params['endtime'] = strtotime($time[1]);

            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }

            $result = $this->model->allowField(true)->save($params);

            // 定向发放,直接存到用户卡包
            if($params['sent_type'] == 'send'){
                $data = [
                    'coupon_id' => $this->model->id,
                    'discount_type' => $params['discount_type'],
                    'goods_type' => $params['goods_type'],
                    'goods_ids' => $params['goods_ids'],
                    'use_type' => implode(',',$params['use_type']),
                    'starttime' => $params['starttime'],
                    'endtime' => $params['endtime'],
                    'title' => $params['title'],
                    'target' => $params['target'],
                    'price' => $params['price'],
                    'discount' => $params['discount'],
                    'createtime' => time(),
                    'status' => 1,
                ];
                $datas = [];
                foreach ($sent_user_ids as $val){
                    $data['user_id'] = $val;
                    $datas[] = $data;
                }
                model('app\common\model\UserCouponModel')->insertAll($datas);
            }

            // TODO 发布任务队列
            // 消息参数
            $queueParams = [
                'coupon_id' => $this->model->id,
            ];
            // 延时执行时间(秒)
            $queueTime = $params['endtime'] - time();
            $queue = 'jrbq';
            // 后台审核通过后,用户超时未发货,关闭订单操作
            Queue('app\common\job\CouponAutoOper@UnusedCouponOverdue', $queueParams, $queueTime, $queue);

            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

}
